Αντύπα Αναστασία, and Πιτσούνης Κώστας. “Ο αριθμός π=3,14”. Open Schools Journal for Open Science 3, no. 6 (July 21, 2020). Accessed May 4, 2024. https://ejournals.epublishing.ekt.gr/index.php/openschoolsjournal/article/view/24311.